Terahertz frequency-wavelet domain deconvolution for stratigraphic and subsurface investigation of art paintingDong, J., Jackson, J. B., Melis, M., Giovanacci, D., Walker, G. C., Locquet, A., Bowen, J. W. and Citrin, D. S. (2016) Terahertz frequency-wavelet domain deconvolution for stratigraphic and subsurface investigation of art painting. Optics Express, 24 (23). pp. 26972-26985. ISSN 1094-4087
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1364/OE.24.026972 Abstract/SummaryTerahertz frequency-wavelet deconvolution is utilized specifically for the stratigraphic and subsurface investigation of art paintings with terahertz reflective imaging. In order to resolve the optically thin paint layers, a deconvolution technique is enhanced by the combination of frequency-domain filtering and stationary wavelet shrinkage, and applied to investigate a mid-20th century Italian oil painting on paperboard, After Fishing, by Ausonio Tanda. Based on the deconvolved terahertz data, the stratigraphy of the painting including the paint layers is reconstructed and subsurface features are clearly revealed, demonstrating that terahertz frequencywavelet deconvolution can be an effective tool to characterize stratified systems with optically thin layers.
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